Search found 3 matches
- Wed Feb 22, 2023 11:10 pm
- Forum: General Discussion
- Topic: ESP32 SPI SCLK GPIO drive strength
- Replies: 3
- Views: 3455
Re: ESP32 SPI SCLK GPIO drive strength
How did you observe the improved SPI performance?
- Mon Feb 13, 2023 10:35 pm
- Forum: General Discussion
- Topic: ESP32 SPI SCLK GPIO drive strength
- Replies: 3
- Views: 3455
ESP32 SPI SCLK GPIO drive strength
I have a custom design using an ESP32 that will have the SPI SCLK fanning out to 3 SPI devices. I'm trying to set the drive strength of the GPIO used for the SPI SCLK to the maximum possible. I have code that looks like: #define CMGPIO_BR_SPI_SCLK GPIO_NUM_2 and buscfg.miso_io_num = CMGPIO_BR_SPI_MI...
- Fri Apr 01, 2022 9:48 pm
- Forum: ESP-IDF
- Topic: ESP32S3 - how to read GPIO input from a wake stub
- Replies: 4
- Views: 3073
ESP32S3 - how to read GPIO input from a wake stub
I'm testing on a ESP32S3-DevKitM-1. I can make GPIO outputs work from within my wake stub, but not GPIO inputs. Complete code is included below. What an I missing? I have verified that the main application does read the same input GPIOs correctly. /* * This sample illustrates writing and reading GPI...